Diablo 9 x 11-In. 220-Grit Sanding Sheets, 4-Pack are for intercoat sanding of stain and varnish, providing smooth and efficient results. These sanding sheets are crafted from a premium aluminum oxide blend that ensures fast material removal while ing a long sanding life. Designed with Clog-SHIELD technology, they reduce pitch build-up and clogging by incorporating a unique blend of grinding agents. The ENDURA-BOND backing features a high-strength resin that s grain bonding and durability. Suitable for use with 1/4 palm sanders, 1/2 sheet sanders, and hand sanding, these sheets work effectively on wood, metal, and plastics, making them a versatile addition to your sanding tools. Model Number: DCS911220S04G